Huge win for car owners! All TSBs to be made public.
The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues.
Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

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2007 BMW 550 Owner Comments

550

41,000 miles

A D V E R T I S E M E N T S

I have a 550I with the sport package. Both rear tires wore out the inner 1/4" of tire completely while the outer, and the visible portion of the tread had plenty of depth left (approx 4/32" or more). The right tire was slightly worse and blew out on the highway causing a dangerous situation. The left wear was very close. Alignment is within the BMW specs. However, the rear negative camber specification is just too high, and the rear suspension does not have enough adjustment to remove some of the negative camber. BMW should specify a tighter tolerance for the rear camber on these cars (in particular, those with the sport suspension), and specify less negative camber in the rear. Additionally, there needs to be a way to remove more camber out of the rear tires than the stock suspension adjustments allow.

550

27,500 miles

While driving at highway speeds on the nys thruway, I hit a very small pothole and both right side tires ruptured at the tire bead. At least twenty other cars passed over the same pothole and no damage was done to their tires. The tires partially separated from the rims making driving the extremely hazardous. Even though the cars has run flat tires, the tires separated so far from the bead it made driving the car dangerous. This is the third time small objects in the roadway caused these runflat tires to rupture dangerously on very small potholes. Had I continued driving on them as stated by BMW, they would have separated from the rims and caused an accident.

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